ChainCatcher 消息，新火集团新任首席经济学家付鹏发推表示，比特币永续合约的底层商业模式，与传统金融中黄金、工业品现货交易所的“递延费/隔夜费”本质上是一回事。
付鹏指出，当年黄金交易所通过每日强制平仓结算，多头和空头相互支付递延费。当散户大量持有高杠杆多头仓位时，递延费成为平台最稳定、隐蔽的收入来源。如今比特币现货平台主要依赖永续合约，多空双方每 8 小时结算资金费率。当多头占优时，长期持仓的散户持续向空头支付资金费率。
平台虽不直接收取这笔费用，但显著提升了交易活跃度、未平仓量和流动性，间接带来大量手续费收入，形成稳定且庞大的现金流。本质上是大户/机构长期持仓“收租”、散户杠杆做多付费、平台间接抽水的商业模式。
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